I don't have alot of money, but I could give blood!
I do have 5 kids, want one?
"And the teenager is yours to keep, even if you return the rest. What have you got to lose! Call today for this limited offer."
Speaking of the future, maybe Mach already does this: When you are decending in a Z plunge, it's really no fun to watch it cut air. Can some type of formula be written in Mach that is rapid, but decelerating as it approaches the work level?