761.2 mph

## How many miles per hour does sound travel?

760 miles per hour

## What mph breaks the sound barrier?

about 767 mph

## How fast is the speed of sound at sea level?

344 m/s

## Can the speed of sound be achieved?

The speed of sound can be achieved in any medium. The speed of sound is exactly that, the speed at which sound propagates. If you mean can sound move at the same speed in air as water then the answer is no. It would travel faster.