A rocket is launched at an angle of 58.0° above the horizontal with an initial speed of 98 m/s. It moves for 3.00 s along its initial line of motion with an acceleration of 28.0 m/s2. At this time its engines fail and the rocket proceeds to move as a free body.
Total flight time?
The Attempt at a Solution
I'm really stuck - I don't need an answer, just some help to get started... This is due in an hour so any help is appreciated.