Hi everyone,
I’m trying to make a pendulum animation for a physics class, in which a ball is suspended from a simple rope (or a metal bar). The rope is fixed from the top, and the ball is at the other end, swinging back and forth according to the laws of physics (i.e., slowest at the highest positions, fastest when it’s at equilibrium position), until the ball breaks off from the rope and flies off. The catch is, it has to fly off in the wrong direction (i.e., not along the tangent to the curve).
I can do all the nitty-gritty coloring/lighting/etc., all I need is a functional system 
Help?