THIS IS NOT FINISHED. Don't mind the red ball (that was a previous test) If you run into any bugs, check the current bug list. If it is not on the list, then please put it in the comments. Bugs | V Car acceleration bug that makes it keep moving slowly forward Ball never actually stops bouncing Ball goes WAY too high when hit Ball sinks into the car, when the car is not moving.
Ball physics used are (with a little tweaking) from @hishambhatti03