Convert from kilometer/hour to speed of sound [air]

Unit Definition (kilometer/hour)
The kilometer/hour (km/h) is the most common metric unit of speed or velocity. It simply means that something travelling at a constant speed of 1km/h will move a distance of exactly 1 kilometer in 1 hour. The correct symbol for this unit is km/h.

Unit Definition (speed of sound [air])
The speed of sound c (from Latin celeritas, "velocity") varies depending on the medium through which the sound waves pass. It is usually quoted in describing properties of substances (e.g. see the article on sodium).