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I think professional stunt men use a large stack of (restrained) air filled cardboard boxes to fall onto

Less invasive experiments can give you very interesting results. If you drop a pingpong ball from about 20m in still air, the effects of air viscosity can be seen; it accelerates measurably less at the bottom than at the top (metres per second squared). It is not at terminal velocity but it is starting to show the effects.AS far as a dropping person is concerned, health and safety really militates against this experiment.As a matter of fact, the rate of increase of velocity is NOT exponential - it is proportional to the square of the time (equations of motion under uniform acceleration etc). If this is supposed to be a Maths project, you should get the Maths right - n'est pas?Possibly, you don't mean terminal velocity. . . either.According to Galileo, the mass of the falling body should not have any effect (until you reach speeds where the drag from the air is relevant).

These are very simple calculations that only require the application of the formulae that I have previously quoted !