Apple Shake 4 Tutorials - Manual (Page 68)

68 Tutorial 2 Intermediate Skills
To create a transformation for motion blur:
1 Select the front_man node, then insert a Transform–Move2D node.
2 Move the playhead to frame 25 in the Time Bar.
3 Enable the Autokey button in the Viewer shelf.
4 Move the playhead to frame 30, then drag the onscreen transform control up until the
“front man” character moves out of view.
This animated transformation between frames 25 and 30 creates the movement Shake
needs to generate motion blur.