Part A An ocean fishing boat is drifting just above a school of tuna on a foggy day. Without warning, an engine backfire occurs on another boat at a distance of d=1.25km (Figure 1). The speed of sound is typically 343 meters per second at sea level. What is the time delay for the sound of the backfire to reach the fishing boat?
a. 3.65 seconds
b. 3.64 seconds
c. 3.66 seconds
d. 3.63 seconds