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A particle moves along a straight line such that its displacement \( S \) varies with time \( t \) as \( S=a+b t+\mathrm{g} t^{2} \).
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\begin{tabular}{|l|l|}
\hline \multicolumn{1}{|c|}{ Column I } & \multicolumn{1}{|c|}{ Column II } \\
\hline i. Acceleration at \( t=2 \mathrm{~s} \) & a. \( \beta+5 \gamma \) \\
\hline \( \begin{array}{l}\text { ii. Average velocity during third } \\
\text { second }\end{array} \) & b. \( 2 \gamma \) \\
\hline iii. Velocity at \( t=1 \mathrm{~s} \) & c. \( \alpha \) \\
\hline iv. Initial displacement & d. \( \beta=2 \gamma \) \\
\hline
\end{tabular}
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