210 meters per second in feet per second
Result
The conversion result is: 210 meters per second is equivalent to 688.976377952756 feet per second.[1]
Conversion in the opposite direction
The inverse of the conversion factor is that 1 foot per second is equal to 0.00145142857142857 times 210 meters per second.
It can also be expressed as: 210 meters per second is equal to 1 / 0.00145142857142857 feet per second.
Approximation
An approximate numerical result would be: two hundred and ten meters per second is about six hundred and eighty-eight point nine eight feet per second, or alternatively, a foot per second is about zero times two hundred and ten meters per second.
Footnotes
[1] The precision is 15 significant digits (fourteen digits to the right of the decimal point).
Results may contain small errors due to the use of floating point arithmetic.