# Velocity of a Falling Object

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The graph of height as a function of time for an object falling straight down is a parabola. The average velocity of this falling object approaches its instantaneous velocity as the time interval tends to zero. Interpreting this geometrically on the parabola, the slope of a secant line approaches the slope of the tangent to the curve.

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Contributed by: Jim Brandt (March 2011)

Open content licensed under CC BY-NC-SA

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"Velocity of a Falling Object"

http://demonstrations.wolfram.com/VelocityOfAFallingObject/

Wolfram Demonstrations Project

Published: March 7 2011