1. The problem statement, all variables and given/known data . The angular speed of an automobile engine is increased at a constant rate from 140 rad/s to 200 rad/s in 20 s. The number of radians through which the engine turns during this 20-s interval is 2. Relevant equations 3. The attempt at a solution I didnt know where to begin with this question, or know of an equation to start with. so a general hint in the right direction would be very appreciated.