I thought your performance was quite nice. Dan is right though - if you post a video then expect comments on more than just the audio. If all you want us to talk about is the sound, then don't post a video
Pretty simple. Also, I'm going to hope that you're not another one of those people who just come around looking for compliments on their work: you'll find yourself in tough company for that kind of constantly-optimistic feedback around here.
Having said that, I think your technique is a bit tense, as was previously mentioned, but you seem to "get" the piece and your movements are emotionally relevant if not specifically necessary. The piece was performed nicely enough, and I certainly enjoyed listening to you, but I can't say that I was particularly moved by your performance. Your tempo was not particularly problematic for me, even though I personally prefer the piece slightly slower - I think it has stronger effect that way.
For reference, I'll link you to a performance that I think is quite nice in that it is clear, expressive (without being excessive) and professional-sounding. At a tempo closer to yours, I thought Gould's interpretation was particularly sharp. Anyways, enjoy it and see if you can learn anything from it, along with the others we've linked you to.
Good luck and thanks for sharing.