The distance that a freely falling body falls varies directly as the square of the time it falls. If a body falls 640 feet in 8 seconds, how far will it fall in 13 seconds?
A. d = 1,699 feet
B. d = 1,705 feet
C. d = 1,690 feet
D. d = 1,677 feet
E. d = 1,717 feet
Answer: C
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