You can use console in browser to control playback rate:
1. select video element with: $('video')
2. than set playbackRate property on it
example write in console: $('video').playbackRate = 3; (and playback rate would be 3x) Works with rates between 0.0625 - 16.0(tested in Chrome and FF).
example write in console: $('video').playbackRate = 3; (and playback rate would be 3x) Works with rates between 0.0625 - 16.0(tested in Chrome and FF).