Car A rounds a curve of 150-m radius at a constant speed of 54 km/h. At the instant repr...

Car A rounds a curve of 150-m radius at a constant speed of 54 km/h. At the instant represented, car B is moving at 81 km/h but is slowing down at the rate of 3 m/s². Determine the velocity and acceleration of car A as observed from car B.