primary lever length at impact

[MizunoJoe]

The data does not conclude that

You're not reading the data correctly.

The hands can certainly go a constant speed through release and all players should strive for it.

All players should strive for lagged accumulators and not think about the endless belt model.

Set the initial thrust so the hands can move at a controlled speed.

The player should use the Thorax to drive as heavy a pressure in PP#3 as he can muster at the ball, and the hands will move at the required speed, as long as he doesn't try to add.