Answer:
58 m / s²
Step-by-step explanation:
The rate of change of displacement is velocity v
The rate of change of velocity is acceleration a , thus
v = [tex]\frac{dx}{dt}[/tex] = 15t² - 2t , then
a = [tex]\frac{dv}{dt}[/tex] = 30t - 2
After 2 seconds
a = 30(2) - 2 = 60 - 2 = 58 m/ s²
