299.93 fps.
2 meters per second = 4.47 mph
400 mph = 643738 metres per sec (approx) = 10729 metres per minute = 178.82 metres/sec.
1 mile/50 sec * 3600 sec/hr = 72 mph
14 mph = 20.533 ft per sec
About 7.6 miles per hour.
102.667 feet per second at 70 mph
40 mph = 58.66... feet per sec
(160 mi/sec) x (3,600 sec/hr) = 576,000 mi/hr
Mercury - 47.8725 km/sec = 107,000MPH Venus - 35.0214 km/sec = 78,350 MPH Earth - 29.7859 km/sec = 66,630 MPH Mars - 24.1309 km/sec = 54,000 MPH Jupiter - 13.0697 km/sec =29,240 MPH Saturn - 9.6724 km/sec = 21,640 MPH Uranus - 6.8352 km/sec = 15,290 MPH Neptune - 5.4778 km/sec = 12,250 MPH Pluto (TNO, or dwarf planet) = 10,700 MPH
60 mph = 88 feet per sec 360/88 x 60 = 245 mph
60 mph = 88 ft/sec
(9.81 meters/sec) x (3,600 sec/hr) / (1,609.344 meters/mile) = 21.944 mph (rounded)