Tug-of-War!

Calculus Level 3

You and I are each holding one of the ends of a 27-foot rope that passes over a pulley. The distance from the pulley to a point on the ground directly under the pulley is 8 feet and you are standing 15 feet from that point. If I start walking away from you at 5 feet per second, then how fast are you being pulled in my direction, in feet per second?

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