# math

e. Felix Baumgartner is a daredevil famous for breaking the sound barrier during a freefall on October 14, 2012. Aided by a weather balloon, he climbed to a height of 128,100 feet. More than 24 miles in the air, he was so high up that he could see Earthâ€™s curvature. He then jumped out of the capsule that carried him. On the way down, he traveled at an average of 335.92 miles per hour, at one point even going as fast as 720 miles per hour, breaking the record for the highest skydive ever attempted and breaking the sound barrier in the process. Using the formula you derived in part b, how long did it take Baumgartner to reach the ground, in minutes? Be careful about unit conversions, and show your work.

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1. what a lot of noise.
Distance traveled: 128100 ft = 24.26 mi
Average speed: 335.92 mi/hr

so, time falling is 24.26mi / 335.92mi/hr = 0.0722hr = 4.3 minutes

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posted by Steve

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