About 90 Kilometers.
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63 miles per second = 365,000 kilometers per hour.
55 kilometers an hour=34.1754156 miles per hour
About 62 miles.
14 kilometers = 8.6992 miles (rounded)
To convert from miles per hour to kilometres per hour, multiply by 1.609344. Therefore, 71 miles per hour is equal to 71 x 1.609344 = 114.263424 kilometres per hour.