Question

A body is moving in a circle with a speed of 1 ms. This
speed increases at a constant rate of 2 ms every second.
Assume that the radius of the circle described is 25 m.
The total acceleration of the body after 2 s is
a. 2 ms-2
b. 25 ms-2
c√5 m/s
d√7m/s

ans is c.√5​

Answer 1

Not understanding plz