What is Speed

Answer the following questions in your words: What is a speed?which formula is used for finding out speed? what is the unit of speed?

What is supersonioc speed?

What is supersonic speed?.

What is the escape speed of the Sun ?

What is the drift speed of electrons ?

What is the exact speed of light in vacuum ?

What is the Speed

What is the speed?

What is the speed of light in air ?