What can you conclude from the following graph concerning the acceleration of the object?

When considering the graph and the following statements about the acceleration of the object, it is true that the direction of the acceleration is in the direction opposite to that of the velocity. This question specifically is talking about an object which is moving along a straight line while it is decelerating.

Acceleration, velocity, and other terms related to the subject of motion is part of physics. Physics is a field of science which deals with the physical world. This would include things like force, speed, mass and many other areas.