Speed of sound.
The car's average speed is 75 miles per hour.
Moderate intensity
The question makes no sense. It seems as if you are confused about what miles per hour is. It just means how many miles you travel in one hour. So 11 miles per hour would be ... 11 miles per hour, or 11 mph.
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
At 20o Celsius, at sea level, the speed of sound is approximately 767 miles per hour.
An odometer measures the miles per hour (mph).
An anemometer measures wind speed in miles per hour or kilometers per hour.
761.2 miles per hour at sea level.
It is 3800 miles per hour.
A speedometer measures the speed a vehicle is traveling in miles per hour (MPG) or kilometers per hour (KPH).
The car's average speed is 75 miles per hour.
Michael Johnson is said to run around 27 miles per hour. This varies depending on why he is running. This is very fast.
Speed (ex: meters/second, miles/hour)
An Anemometer measures wind speed, either in kilometres per hour, or miles per hour, or sometimes in knots per hour.
Moderate intensity
About 1 hour from Zürich HB to Basel SBB. It varies depending on which train you take.
A racehorse at full speed varies from 35-45 miles per hour.