The graph shows the relationship between a ball's acceleration and the time it has been
travelling.
Given the ball was initially at rest, calculate the velocity reached by the ball after first 3s.
Hint: calculate the area under the graph.
![The graph shows the relationship between a balls acceleration and the time it has been travelling Given the ball was initially at rest calculate the velocity re class=](https://us-static.z-dn.net/files/dcc/f34c248f4d576cf058760edca9aa519a.png)