For the Reaction Cyclobutane(g) $\rightarrow$ 2ethylene(g)at 800 K,a Plot of Ln[cyclobutane] Vs T Gives a Ln[cyclobutane]

For the reaction cyclobutane(g) $\rightarrow$ 2ethylene(g) at 800 K,a plot of ln[cyclobutane] vs t gives a straight line with a slope of -1.6 s^-1.Calculate the time needed for the concentration of cyclobutane to fall to 1/16 of its initial value.

A) 2.3 s
B) 1.7 s
C) 1.3 s
D) 0.63 s
E) 1.6 s