Leo Dooley: The answer is simple: If Sally's on a train traveling at a certain speed - X, she's gonna reach the curve at a certain speed - Y. All we need to do is multiple X by Y to find out if we have enough track left to stop.
Chase Davenport: Okay... but what if Sally is sitting on enough nuclonium to reduce an entire city to a stain?
Leo Dooley: Well, then Sally should've taken the bus!