Actually the key to keep increasing velocity is maintaining a positive dv/dt, that is to say, acceleration. Momentum is more of a tendency to refuse to leave a

Actually the key to keep increasing velocity is maintaining a positive dv/dt, that is to say, acceleration. Momentum is more of a tendency to refuse to leave a state (think of `inertia-in-motion`), rather than actively seek it. If that makes any sense at all, that is.