Car A rounds a curve of 127−m radius at a constant speed of 39 km/h. At the instant represented, car B is moving at 99 km/h but is slowing down at the rate of 3.0 m/s2. Determine the velocity and acceleration of car A as observed from car B. Answer: vA/B = ( i + j) m/s aA/B = ( i + j) m/s2