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A car accelerates from rest at a constant rate of 2 \( \mathrm{m} / \mathrm{s}^{2} \) for some time. Then, it retards at a constant rate
\( \mathrm{P} \) of \( 4 \mathrm{~m} / \mathrm{s}^{2} \) and comes to rest. If it remains in motion

W for 3 second, then the maximum speed attained by the car is:
(1) \( 2 \mathrm{~m} / \mathrm{s} \)
(2) \( 3 \mathrm{~m} / \mathrm{s} \)
(3) \( 4 \mathrm{~m} / \mathrm{s} \)
(4) \( 6 \mathrm{~m} / \mathrm{s} \)
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