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A police van moving on a highway with a speed of 30 \( \mathrm{km} \mathrm{h}^{-1} \) fires a bullet at a thief's car speeding away in the
P same direction with a speed of \( 192 \mathrm{~km} \mathrm{~h}^{-1} \). If the muzzle

W. speed of the bullet is \( 150 \mathrm{~m} \mathrm{~s}^{-1} \), with what speed does the bullet hit the thief's car (as, seen by thief). According to thief in the car ?
(1) \( 105 \mathrm{~m} / \mathrm{s} \)
(2) \( 100 \mathrm{~m} / \mathrm{s} \)
(3) \( 110 \mathrm{~m} / \mathrm{s} \)
(4) \( 90 \mathrm{~m} / \mathrm{s} \)
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