Some Video tutorials - Speed and Motion (by Monedas de Judas):

[andreapaz]

Some useful tutorials on not easy topics and how they are implemented in Cinelerra GG:

ReframeRT:

Cinelerra - reframe RT effect: normal speed motion, fast motion, slow motion

Speed curves:

Cinelerra - speed curves: fast motion, slow motion, variable speed motion

Motion Tracking:

Cinelerra tutorial: motion tracking

Stabilization:

Cinelerra tutorial: using motion for image stabilization

[PhyllisSmith]

Very useful tutorials with accompanying good music.