Afreight train traveling with a velocity of -4.o m/s begins backing into a train yard. if the train's average acceleration is -0.27 m/s^2 what is the trains velocity after 17s

first thing first of the answer is with technology. second thing second thing is that the big bang theory did not happened u see they say it did but what they dont realize is that like dinasures are still a round they might deny it but they and look at these 12 foot human skelteons they find lets see didnt the bible say something about giants. hope this peace.