At the Winter Olympics, an athlete rides her luge down the track while a bell just above the wall of the chute rings continuously. When her sled approaches and passes the bell, she hears the frequency of the bell fall by the musical interval called a minor third. That is, the frequency she hears drops to five sixths of its original value.
(a) Find the speed of sound in air at the ambient temperature of -10.0?C.
(b) Find the speed of the athlete.