# At what rate does the typical human body sink in a swimming pool? [closed]

Let's say I'm $1.8\ \rm m$, $70\ \rm kg$ with a fairly typical male body shape.

I hold on to the side of an otherwise normal but very deep swimming pool, then lower myself so that the top of my head is just below the water surface.

I then let go of the side of the pool. At roughly what rate (in meters per second) will I sink to the bottom?

## closed as off-topic by AccidentalFourierTransform, Kyle Kanos, Chris♦, Jon Custer, user191954 Sep 15 '18 at 5:06

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• This depends on so many other things than just your height and mass. I'm not sure if there really is a good way to answer this without actually doing it in an actual pool. – Aaron Stevens Sep 14 '18 at 2:55
• @AaronStevens: I was wondering if there had perhaps been many such experiments done and if we'd have it correct to at least an order of magnitude. – dtcm840 Sep 14 '18 at 2:56
• So you just want an estimate? – Aaron Stevens Sep 14 '18 at 2:58
• If my lungs are full, I float. If I release some air I can be neutrally buoyant somewhere in the water column. If I exhale completely, I sink. – Jon Custer Sep 14 '18 at 13:04
• I'm voting to close this as too-broad because there aren't enough constraints. Could you add some more about the conditions for this estimation? – user191954 Sep 15 '18 at 5:05