Figure 7

(a) Velocity magnitude of the disk at 0.2 s, (b) velocity magnitude of the disk at 0.4 s, (c) velocity magnitude of the disk at 0.8 s, (d) velocity magnitude of the disk at 1.2 s, (e) velocity magnitude of the disk at 1.6 s, (f) velocity magnitude of the disk at 2 s.