1012 Train at constant deceleration | Rectilinear Translation

Problem 1012
A train moving with constant acceleration travels 24 ft (7.32 m) during the 10th second of its motion and 18 ft (5.49 m) during the 12th second of its motion. Find its initial velocity and its constant acceleration.
 

Solution in English Units

 

Solution in SI Units

 

Bakit po naging final velocity yung 24ft at 18ft sa question? ang akala ko po kasi ay distance