For a person miles from a flash of lightning, the length of the time interval from the moment the person sees the lightning to the moment the person hears the thunder is seconds. The ratio of to can be estimated to be 1 to 5. Which of the following statements is the best interpretation of this estimate?
For every 1 mile distance, the time interval is 5 seconds.
For every 5 miles distance, the time interval is 1 second.
The speed of sound is approximately 1 mile per 5 seconds.
The speed of sound is approximately 5 miles per second.