One knot is 1 nautical mph, and 1 nautical mile is 6080 feet. If a cruiser ship has an average speed of 3.5 knots, what is the average speed, in mph, of the ship?
One knot is 1 nautical mph, and 1 nautical mile is 6080 feet. If a cruiser ship has an average speed of 3.5 knots, what is the average speed, in mph, of the ship?