How to acheive the Motion Blur with the Roto Node only. Quick Demo
0:00 - 2:25 Introduction
2:25 - 4:39 Step One - Placing your shape all the way throughout the plate
4:39 - 5:25 Explanation of Step One
5:25 - 6:03 Step 2: Fine Tuning
6:03 - 9:50 Explaining Motion Blur