There's a couple of ways to do that. You might want to try the sticky plug in (I'm not sure what version you are using but I think it's in starting with either 9.0 or 9.2
ftp://ftp.newtek.com/products/LightW...eos/Sticky.mov
You might have to doit with a null and then paernt the ball to the null. You can use relativity to help you get the ball to roll along the hoops.