Automobile's acceleration? (Remember, a negative value indicates slowing down or deceleration
4) A parachute on a racing dragster opens and changes the speed of the car from 85 m/s to 45 m/s in a
period of 4.5 seconds. What is the acceleration of the dragster?

What changes occur in the brain during the teenage years? 25 points, someone me out!a.) thinking becomes slower as the brain grows larger. b.) connections between neurons become stronger and faster. c.) unused neurons fuse together to form larger, better functioning neurons. d.) more neurons are developed.