Acceleration is the rate of change of velocity with respect to time. In simpler terms, it refers to how quickly an object's velocity is changing. An object can accelerate if it is speeding up, slowing down, or changing direction.
From Molecules to Organisms: Structures and Processes
Students who demonstrate understanding can:
Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.
Plan and conduct an investigation to provide evidence that feedback mechanisms maintain homeostasis.