A detector is released from rest over a source of sound of frequency `f_(0) = 10^(3) Hz`. The frequency observed by the detector at time t is plotted in the graph. The speed of sound in air is `(g = 10 m // s^(2)`)
A. 330m/s
B. 350 m/s
C. 300 m/s
D. 310 m/s
