When a ball rolling down an inclined plane gains 4 m/s each…

When a ball rolling down an inclined plane gains 4 m/s each second, the acceleration of the ball is [Be careful with the unit of acceleration. The formula to find acceleration is a c c e l e r a t i o n = F i n a l   v e l o c i t y   –   I n i t i a l   v e l o c i t y t i m e ]