27) A person whose actual true weight is 150. pounds is standing on a scale inside an elevator. After the elevator accelerates, it moves upward with a constant velocity of +4.0 m/s. A few seconds later, the elevator begins to slow down with an acceleration of magnitude of 3.0 m/s2. Just before the elevator begins to slow down, the reading on the scale is , and while the elevator is slowing down, the reading on the scale is (A) Less than 150 pounds, 150 pounds (B) 150 pounds, 196 pounds (C) greater than 150 pounds, 0 pounds (D) less than 150 pounds, 104 pounds (E) 150 pounds, 104 pounds 8