With this information, you can calculate the quantity of feet per minute 139 knots is equal to.
¿What is the inverse calculation between 1 foot per minute and 139 knots?
Performing the inverse calculation of the relationship between units, we obtain that 1 foot per minute is 7.1041223e-05 times 139 knots.
Which is the same to say that 139 knots is 14076.334 feet per minute.
One hundred thirty-nine knots equals to fourteen thousand seventy-six feet per minute. *Approximation
A foot per minute is seven times one hundred thirty-nine knots. *Approximation