Principles: Timing & Spacing, Squash & Stretch

Third task includes animating a bouncing ball and apply principles of squash a stretch.

Line Test

My coursemates gave me feedback on this line test. So here are my mistakes and things I should change: timing ( at the beginnig of this animation, the glass ball falls much slower than he rolls; the material of this ball resembles a rock rather than a glass, which doesn't break in half.

example 

http://www.youtube.com/watch?v=Wl3ACntueCI

I completely agree with them on all above written aspects. I've understood my mistakes and edited my animation. Here is the result. 

Finished