Part A

Tests reveal that a normal driver takes about $0\mathrm{.}75s$ before he

or she can react to a situation to avoid a collision. It takes

about $3s$ for a driver having $0\mathrm{.}1\%$ alcohol in his system to do

the same. $($Figure $1)$

Figure

Request Answer

Part B

Determine the shortest stopping distance $d$ for drunk driver from the moment he or she see the pedestrians. Moral: If you must drink, please don't

drive!

Express your answer with the appropriate units.