During ascent, and especially during descent, volume
Chapter 13, Problem 13.89(choose chapter or problem)
During ascent, and especially during descent, volume changesof trapped air in the middle ear can cause ear discomfortuntil the middle-ear pressure and exterior pressure areequalized, (a) If a rapid descent at a rate of 7.0 m/s orfaster commonly causes ear discomfort, what is themaximum rate of increase in atmospheric pressure (that is,dP/dt) tolerable to most people? (b) In a 350-m-tallbuilding, what will be the fastest possible descent time foran elevator traveling from the top to ground floor, assumingthe elevator is properly designed to account for humanphysiology?
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer