The doppler effect sound a minivan driver hears when a high powered sportbike passes with 70mph on top of the minivan speed.
Mildred was poking along the two-lane with the team arguing over gummi bears when she was startled by the sudden HOOooooooonnnnnnnnn..... of a large, fast motorcycle which disappeared almost as suddenly as it had arrived.
by Charles January 28, 2004