Try Hard, Work Hard, and You'll Make It!
To help u study, Listen to this, It really worked for me! It may be strange at first, but once u get used to it, Ir'll help alot with concentration.
Good Luck!
Puffin
https://www.youtube.com/watch?v=uX6usZWiMAo&list=RDuX6usZWiMAo&index=1
45.5 meters/13seconds = 3.5m/sec hope that helps
Is there any answer choices ?
