With this information, you can calculate the quantity of feet per second 87 knots is equal to.
¿What is the inverse calculation between 1 foot per second and 87 knots?
Performing the inverse calculation of the relationship between units, we obtain that 1 foot per second is 0.0068101586 times 87 knots.
Which is the same to say that 87 knots is 146.83946 feet per second.
Eighty-seven knots equals to one hundred forty-six feet per second. *Approximation
A foot per second is zero times eighty-seven knots. *Approximation