For the benefit of everyone else, what Alex is saying is that the amount of air flow is proportional to the square of the diameter of the hole it's got to go through.
What's not mentioned is that if the air is constrained, it's going to heat up inside the box a bit more, so because Boyle's Law tells us PV/T is constant, pressure changes and air flow is directly proportional to pressure....
What's not mentioned is that if the air is constrained, it's going to heat up inside the box a bit more, so because Boyle's Law tells us PV/T is constant, pressure changes and air flow is directly proportional to pressure....
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