170 times 3600 (secs in an hour) divided by 5280 (feet in a mile)
170 x 3600/5280 = 115.91 mph
170 miles = 170*5280 = 897,600 feet. So 170 mph = 879,600 ft per hour.
80 fps = 54.55 mph (rounded)
70 x 5280/3600 = 102.6 recurring fps
Convert 3000 fps to mph
680 mph
By fps I assume it feet per second,hence 400fps=272.72727288 mph
1 mph is 1.47 fps
280 x 3600/5280 = 190.91 mph
62 mph = 90.933... fps
3,600/5,280 gives you 1 fps in m.p.h Example: 52.8 f.p.s = 36 m.p.h.
103 mph = 151.067 fps
36.66666666 fps
299.93 fps.
About 170.
92 mph = 134.93 feet per second
15 fps (feet / second) = 10.23 mph
170/65 = 2.6 hours