A new record for running the stairs of the Empire State Building was set on February 3, 2003. The 86 flights, with a total of 1576 steps, was run in 9 minutes and 33 seconds.

a) If the height gain of each step was 0.20 m, and the mass of the runner was 67kg , what was his average power output during the climb? Give your answer in both watts, which is 360, and I found that but i am having trouble converting my answer to horsepower.

Question

A new record for running the stairs of the Empire State Building was set on February 3, 2003. The 86 flights, with a total of 1576 steps, was run in 9 minutes and 33 seconds.

a) If the height gain of each step was 0.20 m, and the mass of the runner was 67kg , what was his average power output during the climb? Give your answer in both watts, which is 360, and I found that but i am having trouble converting my answer to horsepower.