# Vehicle stopping distance
# Scope: Reaction distance plus constant-deceleration braking.
# Status: illustrative worked example; engineering review pending.
# Inputs are example values. Checks are editable example requirements, not standards.

speed = 10 m/s
reaction = 1 s
deceleration = 4 m/s^2

distance := speed*reaction+speed^2/(2*deceleration) [m]

check stopping distance budget: distance <= 25 m

scenario alternative: speed = 8 m/s