This is pretty good. I can't really see it frame by frame, but I would say it needs an inbetween somewhere in the middle. If you watch closely you can see his arms and head kinda pop, a couple of frames would definitely help.
He'll just keep going and going and going and going and going and going and going and going and going and going and going and going and going amd going and going and going and going and going and going and going and going and gonig and going and gonig and going and going and going and going and going and going and going and going and going and going and going and going amd going and going and going and going and going and going and going and going and going and going and gonig and going...