Real pirates? if real, they couldn't go really fast because they were only steered by sails and maybe paddles. if its modern boats, really fast due to advances in technologies with the addition of high powered engines.
They could go 7-9mph for 16hours each day.
10 knots=11.5 mph, but some ships might have exceeded at 12 knots=13.8 mph.
A lot.
16000 mph to 26000 mph
35.7 mph
A train is traveling at 60 mph. If the rate of speed increases 4 mph each hour, how long will it be before the ship is traveling at a rate of 80 mph?
Most travel about 15 miles per hour. However, in 24 hours a ship could travel 360 miles during that time. At 20 mph, it would travel 480 miles.
I`ve heard upwards of 15,000 mph.
If you could maintain a steady 600 mph in a straight line, you could be on the moon in only 397 days.
Very likely. In extreme cases hail can be larger than grapefruit and fall at over 100 mph.
12,000 mph is very wrong the speed is a lot closer to 17,500 mph
Apollo 10 reached 24226 mph
length units could not be converted into speed units