An express subway train passes through an underground

Question

Solve the all parts of given question:

Question: An express subway train passes through an underground station. It enters at t = 0 with an initial velocity of 22.0 m/s and decelerates at a rate of 0.150 m/s² as it goes through. The station in 220 m long,

Part I: How long is the nose of the train in the station?

s

Part II: How fast is it going when the nose leaves the station?

m/s

Part III: If the train is 130 m long, at what time t does the end of the train leave the station?

s

PArt IV: What is the velocity of the end of the train as it leaves?

m/s

I've been having quite a bit of trouble understanding this question, Thank you so much for your help.