In terms of speed, frequency, or wavelength, explain why when watching a baseball game you often see the batter swing before you hear the sound of the bat making contact with the ball.

In general, sound waves are longitudinal waves that need medium to move through, its speed varies from 300m/s to 346m/s. While visualizing the scene depends on the speed of light which is an electromagnetic waves that need no medium to move through and which have a speed of .
Light waves compared to sound waves have higher speed, higher energy, higher frequency, shorter wave length.
In general; the shorter the wave length, the higher the energy, the higher the speed, the higher the frequency.

Hope this helps.