Topic For The Day

Trivia - Motion Sound

Ok, let me share a short story of my recent experience, and ask a question relating to sound at the end of the post. Do try to answer it! I will reveal the answer in my next post. This way, you guys can learn some physics about sound too!

Now recently, I started to swim again. And there was this specific incident, whereby i was swimming underwater and well... less of swimming and more of chilling I guess, holding my breathe. I find it very calming, and so I kinda accidentally blocked everyone out. Here is the thing, the lifeguards actually thought that I am drowning, and people on the surface were shouting at me frantically!

I hear a lot of commotion, but well... I mean, I went to the pool alone, so I initially thought whatever the commotion, it definitely wouldn't be with me! So, I kinda blocked off those people shouting at me and shouting for help, which kind of made matters worse as well, they really thought I am indeed drowning!

The funny thing is, I went out of breathe just as the lifeguard was running towards me and about to dive into the pool. Just as he was about to dive, I pop my head up to catch my breathe. I saw the lifeguard's confused look, and people around me started applauding for me. Somehow, now both the lifeguard and myself am confused now! haha.

So here is the thing, I was able to hear commotion, but unable to make sense of what was mentioned! Now this is a huge clue!

Question of the day

What constitutes the speed of sound, and why I was able to hear commotion while underwater?

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