Escape Speed on Mars
in Miles per Hour

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Escape speed of Mars = 5.0 km/sec
What is 5.0 km/sec in miles per hour?


There are 60 x 60 seconds = 3600 seconds in an hour


Therefore the Martian escape speed is 5 x 60 x 60 = 18,000 km/hour


There are 1.6 kilometer in a mile

Therefore, the Martian escape speed is

18,000/1.6 miles/hour or

11,300 miles/hour