69.1 miles per hour.
13.8093524 Miles per hour to be exact.
35.7 mph
250 knots = 287.7 mph
41 Knots is 47.19 miles per hour.
40 knots=46.0311779 miles per hour
36 knots=41.4280601 miles per hour
439 knots=505.192178 miles per hour
29.9202656 mph
287.631 knots.
450 Knots is 517.95 miles per hour.
1 mph = 0.87 knots
No way to tell. Knots is a measurement of speed, nautical miles is distance. 16 knots is 16 nautical miles/hour, so it'd depend on how long the craft would keep going.