Jim S. answered 04/07/14
Tutor
4.8
(516)
Physics (and math) are fun, really
Using the relation between velocity and acceleration i.e. v=at, you were given that a=5m/sec2 so v=5t where t is the time in seconds. v at 1 sec is 5m/sec and at 2 sec it is 10 m/sec so the velocity changes by 5 m/sec each second.
Jim