I think its either, the suns not out, or the temperature decreases
Hi there,
Speed of sound in water is approximately 1500 meters per second (the exact speed depends on the depth of water and its density) and the speed of sound in air is approximately 340 meters per second. So sound is almost 4.4 times faster in water than in air. I hope this helped :)
Answer:
I believe it's the <em>collecting</em><em> </em><em>duct</em>
