uincy is monitoring the movement of a particle along the LaTeX: x x -axis of an LaTeX: x x -LaTeX: y y plane. The velocity is negative, and the acceleration is positive. Which of the following describes what Quincy observes? The particle is moving in the negative direction, and its speed is increasing. The particle is moving in the positive direction, and its speed is decreasing. The particle is moving in the negative direction, and its speed is decreasing. The particle is moving in the positive direction, and its speed is increasing