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I'm trying to get a geometric idea of what the derivative of a velocity vector is. For example if you're talking about the space between vx and vx + dvx, where vx is a velocity along the x axis.

Would it be like an infinitesimal sphere around the end of the vector?

Thanks...

(Added thought: I guess it doesn't matter if it's a velocity vector or some other kind of vector...shouldn't have been so specific).

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# Derivative of velocity vector?

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