Most animation books/classes start with the “bouncing ball” exercise, since it’s a great way to explore timing & spacing of the individual drawings without having to worry too much about the details of the thing you’re drawing. This is the first assignment for my traditional animation class – instead of using paper, though, I’m using my Wacom Intuous tablet and TVP Animation software.
This runs at 24 frames per second, which is pretty much the standard here in the U.S.