Err... 10 knots is a measurement of speed, not power, so your question has no answer.
10 knots = 11.51 mph
10
Knots is a measurement of speed. Horsepower is a measurement of power. To obtain that speed on water is probably not possible. To obtain that speed in air takes allot of horsepower. That is over Mach 2 (twice the speed of sound),
10 kilowatts is 13.6 metric horsepower.
11.50 mph
4hp
There is no direct relationship between a cc and horsepower. 10
11.507794 miles per hour.
10 Miles per Hour = 8.68976241900648 Knots
8
no
10 knots is 11.50 miles, so 50 miles is faster