Need the answers for part A and B please

Part A A 2.0 kg projectile with initial velocity v = 8.0 i m/s experiences the variable force F =2.0t & + 4.0t2 3 N, where t is in s. What is the projectile's speed at t = 2.0 s? Express your answer with the appropriate units. View Available Hint(s) V = Value `Units Submit Part B At what instant of time is the projectile moving parallel to the y-axis? Express your answer with the appropriate units. View Available Hint(s) t = 2.83 S Submit Previous Answers X Incorrect; Try Again; 5 attempts remaining Provide Feedback