Please EXPLAIN and solve EACH/ALL part(s) in Question #1!

DOUBLE CHECK YOUR WORK AND ANSWER(S).

PLEASE NEATLY SHOW ALL WORK, EXPLANATIONS, & CALCULATIONS STEP-BY-STEP USING PEN AND PAPER! I AM NEW TO PHYSICS! I AM A COMPLETE NEWBIE!

D Question 1 3 pts Which of the following situations is impossible? having changing velocity and a constant, non-zero acceleration having constant velocity and a constant, non-zero acceleration having a negative velocity and a constant, non-zero acceleration having a positive velocity and a constant, nonzero acceleration having a zero velocity and a constant, non-zero acceleration