"Yes," said Apple Kid. "That sounds about right. I suppose there's also the possibility of a space-time anomaly, but that's just a specialized sort of an obstacle. It would be intriguing if that happened, though. A force could also be produced opposing the direction of the arrow's path, sufficient enough to either alter its course or slow it down. It's all very intriguing. Truly, this is a moment of vast scientific import."

You know. The bowl of unhittable cheese.