Speed is a scalar quantity. This acceleration is directed toward the point around. Physics What Is Acceleration Uniform Non Uniform Average Instantaneous Acceleration Acceleration Physics Non Uniform F m dot Ve - m dot V0 The first term on the right hand side of this equation is usally called the gross thrust of the engine while the second term is called the ram drag. . How fast the moving objects velocity changes with time. Speed can be equal to or more than velocity. As S is first increased the initial rate or velocity V 0 increases with increasing substrate concentration i. Velocity is a vector quantity. It is a vector quantity. How fast something is moving and in which direction. Speed imparted to something. G is the local acceleration due to gravity ms2. So the car is not speeding up. Noun quickness of motion. In our earlier example we stated that the velocity was constant. Hubbles la