The displacement versus time curve is given. Sections \( O A \) and \( B C \) are parabolic. \( ...

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The displacement versus time curve is given. Sections \( O A \) and \( B C \) are parabolic. \( C D \) is parallel to the time axis.
\( \mathrm{P} \)
W
\begin{tabular}{|ll|ll|}
\hline \multicolumn{2}{|c|}{ Column I } & \multicolumn{2}{c|}{ Column II } \\
\hline i. & \( O A \) & a. & Velocity increases with time linearly \\
\hline ii. & \( A B \) & b. & Velocity decreases with time \\
\hline iii. & \( B C \) & c. & Velocity is independent of time \\
\hline iv. & \( C D \) & d. & Velocity is zero \\
\hline
\end{tabular}
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