Speed Limit c
A pulled-over driver answers the speed-limit question with the speed of light, a technically correct upper bound.
Content note: Police traffic stop (comic).
Use this cartoon
Free for classrooms, worksheets, slides and other non-commercial use under CC BY-NC 4.0, with credit to Ben Orlin.
Cartoon by Ben Orlin, Math with Bad Drawings. https://cartoons.mathwithbaddrawings.com/2017-09-15-speed-limit-c/ (CC BY-NC 4.0)Transcript
Officer: "Do you know the speed limit here?"
Driver: "Theoretically, c."
Officer: "I meant the legal limit, not the physical one."
Driver: "It still works as an upper bound, though it's probably not strict."