Lets you bake the expression for each frame in the specified range so the spring behavior will render properly.
Select Paint Effects > Brush Animation > Bake Spring Animation > 
to open the Bake Brush Spring Animations window. This window provides the following options.
- Start Frame
-
Specify the first frame to be baked in the animation.
- End Frame
-
Specify the last frame to be baked in the animation.