Kaz: Well-yeah, I mean if it's more physics related...well-for example...Let's say someone was falling from a building that was...oh I don't know, 3 stories tall. We'd have to assume that it'd be, I don't know like a 40 foot drop? Knowing that an object freefalls at about 9.8 m/s, going progressively faster every second, you could calculate that you'd have...about four seconds till the person lands. Knowing that a person's average running speed is about um...0.002 miles per second, you'd know that you'd have to move at a speed of about 0.01 miles to catch the person in time...