Road rules / 🇮🇪 speed

If you double your speed, your braking distance becomes roughly:

✓ ANSWER

Four times as long

Braking distance increases with the square of speed, so doubling speed roughly quadruples it.

All the options

  1. ✓Four times as long
  2. ✗Twice as long
  3. ✗The same
  4. ✗Half as long

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