У вашего броузера проблема в совместимости с HTML5
Many of you might have heard the term "frames per second" (fps) when it comes to video recording or video playback, but ever wonder what it is? Well in this video not only do I explain what it is, but I also demonstrate it in this video so when this video ends you're guaranteed to know exactly what fps is. To watch a clip in 60fps download the file below (because YouTube only plays back at 30fps.
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Click the link to download the file (once on the page hit "File" then "Download"), do not play it in the browser, to see the full 60fps you must download it: https://docs.google.com/file/d/0B0PRy4nNy6yGRkZlYzJydDlVUEU/edit?usp=sharing