This is a ball bouce animation that i created using tangents and the graph editor to help make me create the 2nd half of the bounce, this smooths out the animation and makes it overall look alot smoother and more realistic, I found this a useful task to get used to controlling my animations with the graph editor and now i use it to help me create most animations i do from now on.

This is a screenshot of the view of the graph editor that i used to edit the curve of the ball bounce