Say, what’s that in the distance?
Could be a road full of cars
or a wire full of electricity,
but this much is for sure:
It is straight and infinitely long.
Sure, but why does the picture have
3 of those infinitely straight things?
Oh it’s just the same old thing at different distances.
Are the types of cars and their specific spacing important?
Only in their drivers’ minds, not to this puzzle.   Consider everything as being evenly distributed.
So what’s all this supposed to prove anyway?
It derives a relationship well known in physics but also experienced by many who try to sleep at what would seem like a large distance from a busy superhighway. (Care to explain?)