A football is dropped out of a window of an airplane 4072 feet off the ground at a rate of 22t^2 feet per second where t is the amount of time since the football was dropped. Find the instantaneous velocity of the ball just before it hits the ground.

University Physics Volume 1
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ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter3: Motion Along A Straight Line
Section: Chapter Questions
Problem 9CQ: If you divide the total distance traveled on a car trip (as determined by the odometer) by the...
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(a) A word problem involving instantaneous velocity that can be solved using limits.

the world problem: A football is dropped out of a window of an airplane 4072 feet off the ground at a rate of 22t^2 feet per second where t is the amount of time since the football was dropped. Find the instantaneous velocity of the ball just before it hits the ground.

justify the answer algebraically please!?

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