The Speed of an Object Is Given By $v=5.00 t^{2}+4.00 t$

Multiple Choice

The speed of an object is given by $v=5.00 t^{2}+4.00 t$ where v is in m/s and t is in s. What is the acceleration of the object at t = 2.00 s?

A) 5.00 m/s2
B) 9.00 m/s2
C) 10.0 m/s2
D) 14.0 m/s2
E) 20.0 m/s2