1km/hr=0.911344ft/sec
So,
1km/hr-----------0.911344ft/sec
75km/hr----------x
x=75*0.911344
x=68.3508ft/sec
Therefore,
75km/hr=68.3508ft/sec(68.3 approximately)
205.3 feet per second at 140 mph
At 90 km/h an object is moving at about 82.021 feet per second.
They are very close but 18 feet per second is slightly faster: 12.2727 mph
That speed is equal to exactly 21 feet per second. In units with which you may be more familiar, it's 14.318 miles per hour. (rounded)
217.65 feet per second = 238,822.992 meters per hour.
To convert miles per hour to feet per second multiply by 5280 (feet in a mile) and then divide by 3600 (seconds in an hour).
Jesse is traveling at 154 feet per second.
At 55 mph you are traveling 80.66 feet per second and after one hour at that speed you will have traveled 290,400 feet.
There are 3600 seconds per hour, and 5280 feet per mile. You can use those two numbers to convert from feet per second to miles per hour. Just make sure the units are right when you are finished.
205.3 feet per second at 140 mph
80.67 feet per second.
The speed is 4.1 miles per hour.
Speed or velocity can be measured in a number of units. Miles per hour, feet per second, metre per second.
The speed in feet per second is quite similar to the speed in miles per hour, which you can read off your speedometer. There are 5,280 feet per mile, and there are 3,600 seconds per hour. Those are roughly similar numbers.
62.5 miles per hour equates to 91.67 feet per second.
1/60th mile per second or 88 feet per second
Miles per hour, feet per second