Answer by siddharth3322

I got my above question's answer myself only. I writing here for other members usage because they definitely come across in same condition. Basically I am using Animation Curve for rotation of ball. Then it is solution my question. I change shape of Animation Curve to curve line from flat line. Following image gives you more idea about this. ![alt text][1] [1]: /storage/temp/56155-screen-shot-2015-10-14-at-23214-pm.png