A particle travels along the x-axis so that its position, in centimeters, after t seconds is given by the function x(t) = -4t³ - 8t² + 16t - 64. What is the acceleration of the particle at time t = 1 sec?

a) -52 cm/sec²

b) -40 cm/sec²

c) -24 cm/sec²

d) -12 cm/sec²