Road rules / 🇦🇺 speed

If your speed doubles from 50 to 100 km/h, your braking distance roughly:

✓ ANSWER

Quadruples

Braking distance grows with the square of speed — twice as fast needs about four times the distance.

All the options

  1. ✓Quadruples
  2. ✗Doubles
  3. ✗Triples
  4. ✗Stays the same

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