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**M23** **You are riding in an elevator. Starting from rest, the elevator undergoes the following motions. **

It accelerates from rest (v=0.0m/s) upwards for 5.0 s at +2.0m/s²

It then coasts for 20.0s at 10.0m/s (a=0.0m/s²)

Finally, starting at 10.0m/s, it accelerates downward for 2.5s at -4.00m/s²

I did the velocity time graph just fine. I am, however, at a complete loss on how to do the position time and acceleration-time ones.

Are there any calculations I have to do?

Any help would be much appreciated.