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A street light is at the top of a 17 foot tall pole. A 6 foot tall woman walks away from the pole with a speed of 7 ft/sec along a straight path.
A street light is at the top of a 17 foot tall pole. A 6 foot tall woman walks away from the pole with a speed of 7 ft/sec along a straight path. How fast is the tip of her shadow moving when she is 45 feet from the base of the pole?