deceleration

"The deceleration of the car was noticeable as it approached the red light."

"In physics class, we learned about the principles of acceleration and deceleration."

"The airplane's deceleration upon landing is crucial for passenger safety."

"The driver had to decelerate quickly to avoid hitting the obstacles on the road."

"You need to decelerate gradually when coming to a stop."

"As the roller coaster reached the end of the ride, it began to decelerate."