A little more than 1.1 mph
1 knot = 1.15077945 mph
Since one knot is one nautical mile an hour, divide 324 by 22 for your answer. It is going to be just under 15 hours.
A nautical mile is a unit of distance and the knot is a unit of speed; 1 knot = 1 n.m./hour.
One knot is equal to approximately 1.15 miles per hour.
At 60 miles per hour, six hours. At 30 miles per hour, twelve hours.
One knot is equal to one 'nautical' mile per hour. (A British nautical mile is equal to 6,080 feet, an International nautical mile is 1,852 meters.) It is also 1.151 miles per hour.
One knot is equivalent to 1.15 miles per hour. Therefore, 100 knots is approximately 115 miles per hour.
1 knot = 1 nautical mile per hour...
1 hour at 14 miles per hour. 2 hours at 7 miles per hour.
18 hours
Distance = rate * time. (55 miles/hour) * (4 hours) = 220 miles
At 1 mile per hour it is 55 hours, at 2 miles an hour it is 27.5 hours at 5 miles an hour it is 11 hours at 55 miles an hour it is 1 hour at 60 miles an hour it is 55/60 hour or 55 minutes at 120 miles an hour it is 27.5 minutes at 550 miles an hour it is 6 minutes etc