2 meters per second = 4.47 mph
About 7.6 miles per hour.
400 mph = 643738 metres per sec (approx) = 10729 metres per minute = 178.82 metres/sec.
(9.81 meters/sec) x (3,600 sec/hr) / (1,609.344 meters/mile) = 21.944 mph (rounded)
29.0576 meters per second.
It depends on how many meters per second. 1 m/sec is a walk. 100 m/sec is highway speed (in the slow lane), about 62.5 MPH.
5210 meters per second = 11,654.4 mph
850 mph = 379.98 meters per second.
45 mph = 20.117 meters per sec (rounded)
30.66 meters per second is equivalent to approximately 68.56 miles per hour.
60 mph = 26.8224 mps.
(meters / sec) x (3600 sec / hr) / [(0.3048 meters / ft) x (5280 ft / mi)] 1.438*3600 / (0.3048*5280) = 3.2167144 mi / hr (mph)
1 mile/50 sec * 3600 sec/hr = 72 mph