A rocket accelerates on it's journey according to the following equation:

a(t)= te^2t^(2-4t) 0 < t<= 10

where t is measured in seconds. Assuming positive speed, what time does it reach it's maximum velocity?

(a) 0 seconds
(b) 0.5 seconds
(c) 2 seconds
(d) 10 seconds
(e) Never