With this information, you can calculate the quantity of feet per second 42 knots is equal to.
¿What is the inverse calculation between 1 foot per second and 42 knots?
Performing the inverse calculation of the relationship between units, we obtain that 1 foot per second is 0.014106757 times 42 knots.
Which is the same to say that 42 knots is 70.888014 feet per second.
Forty-two knots equals to seventy feet per second. *Approximation
A foot per second is zero times forty-two knots. *Approximation