Rope

it’s just physics on a string. whip it anyway.

a verlet rope that follows, lags, and whips

Each segment is only pulled toward the one above it and carries its own momentum. The crack at the tip is that lag stacking up down the line: fast motion outruns the segments until it catches up all at once as a snap.

Concepts: physics, motion.

An interactive you play with one thumb, on Wundr.