Remember with youtube, google will code many variants and you may not know which one you are playing.
Additionally what the uploader says the vid is may end up being wrong after the recodes.
youtubedl --list-formats for the 2 8K60p doesn't actually list any 60 fps versions ....
youtube-dl --list-formats
https://www.youtube.com/watch?v=C60lQg74Jmk
[youtube] C60lQg74Jmk: Downloading webpage
[youtube] C60lQg74Jmk: Downloading video info webpage
[youtube] C60lQg74Jmk: Extracting video information
[youtube] C60lQg74Jmk: Downloading MPD manifest
[info] Available formats for C60lQg74Jmk:
format code extension resolution note
249 webm audio only DASH audio 4k , opus @ 50k (48000Hz), 181.13KiB
250 webm audio only DASH audio 4k , opus @ 70k (48000Hz), 181.13KiB
251 webm audio only DASH audio 4k , opus @160k (48000Hz), 181.13KiB
171 webm audio only DASH audio 6k , vorbis@128k (44100Hz), 125.95KiB
140 m4a audio only DASH audio 127k , m4a_dash container, mp4a.40.2@128k (44100Hz), 6.19MiB
278 webm 256x144 DASH video 97k , webm container, vp9, 30fps, video only, 4.40MiB
160 mp4 256x144 DASH video 113k , avc1.4d400c, 30fps, video only, 5.41MiB
242 webm 426x240 DASH video 226k , vp9, 30fps, video only, 9.98MiB
133 mp4 426x240 DASH video 247k , avc1.4d4015, 30fps, video only, 11.95MiB
243 webm 640x360 DASH video 410k , vp9, 30fps, video only, 18.60MiB
134 mp4 640x360 DASH video 637k , avc1.4d401e, 30fps, video only, 24.82MiB
244 webm 854x480 DASH video 757k , vp9, 30fps, video only, 34.79MiB
135 mp4 854x480 DASH video 1175k , avc1.4d401f, 30fps, video only, 51.70MiB
247 webm 1280x720 DASH video 1511k , vp9, 30fps, video only, 69.39MiB
136 mp4 1280x720 DASH video 2350k , avc1.4d401f, 30fps, video only, 103.83MiB
248 webm 1920x1080 DASH video 2655k , vp9, 30fps, video only, 121.78MiB
137 mp4 1920x1080 DASH video 4417k , avc1.640028, 30fps, video only, 194.34MiB
271 webm 2560x1440 DASH video 9239k , vp9, 30fps, video only, 403.53MiB
264 mp4 2560x1440 DASH video 10583k , avc1.640032, 30fps, video only, 451.19MiB
313 webm 3840x2160 DASH video 18628k , vp9, 30fps, video only, 859.56MiB
266 mp4 3840x2160 DASH video 23465k , avc1.640033, 30fps, video only, 884.62MiB
272 webm 8192x4608 DASH video 29717k , vp9, 30fps, video only, 842.02MiB
138 mp4 8192x4608 DASH video 89923k , avc1.640033, 30fps, video only, 3.16GiB
17 3gp 176x144 small , mp4v.20.3, mp4a.40.2@ 24k
36 3gp 320x180 small , mp4v.20.3, mp4a.40.2
43 webm 640x360 medium , vp8.0, vorbis@128k
18 mp4 640x360 medium , avc1.42001E, mp4a.40.2@ 96k
22 mp4 1280x720 hd720 , avc1.64001F, mp4a.40.2@192k (best)
youtube-dl --list-formats
https://www.youtube.com/watch?v=VXUdY5P0VJA
[youtube] VXUdY5P0VJA: Downloading webpage
[youtube] VXUdY5P0VJA: Downloading video info webpage
[youtube] VXUdY5P0VJA: Extracting video information
[youtube] VXUdY5P0VJA: Downloading MPD manifest
[info] Available formats for VXUdY5P0VJA:
format code extension resolution note
249 webm audio only DASH audio 58k , opus @ 50k (48000Hz), 1.23MiB
250 webm audio only DASH audio 84k , opus @ 70k (48000Hz), 1.67MiB
171 webm audio only DASH audio 128k , vorbis@128k (44100Hz), 2.83MiB
140 m4a audio only DASH audio 128k , m4a_dash container, mp4a.40.2@128k (44100Hz), 3.04MiB
251 webm audio only DASH audio 166k , opus @160k (48000Hz), 3.33MiB
160 mp4 256x144 DASH video 111k , avc1.42c00c, 15fps, video only, 2.61MiB
278 webm 256x144 DASH video 117k , webm container, vp9, 30fps, video only, 2.25MiB
133 mp4 426x240 DASH video 264k , avc1.4d4015, 30fps, video only, 5.86MiB
242 webm 426x240 DASH video 272k , vp9, 30fps, video only, 5.09MiB
243 webm 640x360 DASH video 476k , vp9, 30fps, video only, 9.56MiB
134 mp4 640x360 DASH video 607k , avc1.4d401e, 30fps, video only, 12.33MiB
244 webm 854x480 DASH video 847k , vp9, 30fps, video only, 17.64MiB
135 mp4 854x480 DASH video 1111k , avc1.4d401f, 30fps, video only, 24.14MiB
247 webm 1280x720 DASH video 1648k , vp9, 30fps, video only, 35.15MiB
136 mp4 1280x720 DASH video 2229k , avc1.4d401f, 30fps, video only, 49.50MiB
248 webm 1920x1080 DASH video 3028k , vp9, 30fps, video only, 61.58MiB
137 mp4 1920x1080 DASH video 4202k , avc1.640028, 30fps, video only, 95.68MiB
264 mp4 2560x1440 DASH video 10034k , avc1.640032, 30fps, video only, 224.03MiB
271 webm 2560x1440 DASH video 10296k , vp9, 30fps, video only, 197.86MiB
313 webm 3840x2160 DASH video 22357k , vp9, 30fps, video only, 419.26MiB
266 mp4 3840x2160 DASH video 22368k , avc1.640033, 30fps, video only, 473.63MiB
138 mp4 7680x4320 DASH video 31967k , avc1.640033, 30fps, video only, 589.88MiB
272 webm 7680x4320 DASH video 37098k , vp9, 30fps, video only, 405.70MiB
17 3gp 176x144 small , mp4v.20.3, mp4a.40.2@ 24k
36 3gp 320x180 small , mp4v.20.3, mp4a.40.2
43 webm 640x360 medium , vp8.0, vorbis@128k
18 mp4 640x360 medium , avc1.42001E, mp4a.40.2@ 96k
22 mp4 1280x720 hd720 , avc1.64001F, mp4a.40.2@192k (best)