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You did slow his fall. Assume 15 meters of rope to the top then 12 meters back to him for a total of 27 meters. Stretch = 3/27 = 1/9. So just over 10%. And that assumes no slack in the line. ...
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You did slow his fall. Assume 15 meters of rope to the top then 12 meters back to him for a total of 27 meters. Stretch = 3/27 = 1/9. So just over 10%. And that assumes no slack in the line. ...