With this information, you can calculate the quantity of knots 280 feet per minute is equal to.
¿What is the inverse calculation between 1 knot and 280 feet per minute?
Performing the inverse calculation of the relationship between units, we obtain that 1 knot is 0.36167354 times 280 feet per minute.
Which is the same to say that 280 feet per minute is 2.7649244 knots.
Two hundred eighty feet per minute equals to two knots. *Approximation
A knot is zero times two hundred eighty feet per minute. *Approximation