here is a python effector which allows other effectors to depend on clone's speed
the first step to this concept: vimeo.com/74638922

project file: dl.dropboxusercontent.com/u/28585409/mograph%20speed%20to%20weight.c4d
v2 (hopefully fixes a bug with clones from TP):dl.dropboxusercontent.com/u/28585409/speed%20to%20weight%20v2.c4d

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