Using the data below, determine whether the polymerization was acid-catalyzed or self-catalyzed. \begin{tabular}{|c|c|} \hline Fractionalconversion & Time (min) \\ \hline 0.00 & 0 \\ 0.20 & 0.26 \\ 0.39 & 0.66 \\ 0.50 & 1.42 \\ 0.60 & 1.51 \\ 0.79 & 3.92 \\ 0.90 & 8.95 \\ 0.95 & 19.10 \\ 0.99 & 100.0 \\ 0.992 & 120.0 \\ 0.998 & 500.0 \\ \hline \end{tabular}