Swapping a path controller for XYZ controller.

1. Create open loop spline
2. Create dummy object and assign Path Constraint controller to dummy
3. Pick spline as path for dummy object
4. Select dummy and slide key at frame 100 to frame 50
5. Go to frame 0 and create sphere. Parent to dummy object and position on top of dummy
6. Go to frame 50. Select sphere and right click time slider. “Create key” at frame 50
7. Turn on “Auto Key” and go to frame 70. Move sphere
8. Go to frame 90 and move sphere
9. Turn off Auto Key and play animation