Solve the given problem
 
A person who is sitting at a distance of \(320\) \(m\) from a source of sound is listening to a sound of \(200\) \(Hz\). Find the time period between successive compressions from the source?
 
The time period can be found using the formula,
 
 
The time period is  \(s\)
 
[Note: Enter your answer with 3 decimal digits.]