(idea) by Leonardo F. Urbano Sun Dec 10 2000 at 7:19:41
How fast or at what speed a particle or point is moving at a given instant. Also called, velocity.

Velocity at any instant is obtained from the average velocity by shrinking the time interval t between the minimum speed and maximum speed until it infinitely approaches 0. As t shrinks, the average velocity approaches a limiting value, which is the velocity at that instant.

v = lim t->0 (x/t) = dx/dt

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