phyisics render

hey all, im intrested in using the phyiscs engine for an animation, like, an animation of a ball rolling down a plane, but without keyframing. instead, the phyiscs engine would calculate the positions. is this possible in blender alone? or is there a script for this? thank you.

https://blenderartists.org/forum/viewtopic.php?t=25887&highlight=cloth