A population grows from an initial size of 10 people to an amount P(t), given by P(t)=10(3+0.5t+t^3) where t is measured in years from 1996. Find the acceleration in the population t years from 1996.
a)60t people per year^2
b)30t people per year^2
c)600t people per year
d)36t people per year^2
a)60t people per year^2
b)30t people per year^2
c)600t people per year
d)36t people per year^2