Why is reaction time the argument for following distance rather than for faster reflexes? · Q-0310

Why is reaction time the argument for following distance rather than for faster reflexes?

1. a Because braking distance is fixed by the vehicle
2. b Because reflexes can be trained to near zero
3. c Because the vehicle covers ground at full speed during reaction time, whatever your reflexes
4. d Because reaction time only matters above 80 km/h

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