reading it now, but for comment you have posted - gravity mechanics, it was like Lawson criterion force*time_it_affects.
Like that graph part, like buffalo.edu link
Overall you are a bit off in direction of you little science work, in therms of OP's situation.
definitely useful answer for those who may look for HS answer in that situation. Hard to expect competition of such answers, so in fact probably it is the best op's could get for free points. Next stop 12 beers and snacks.