When Bronco the skydiver steps off the plane his acceleration is 9.8 m/s2 downwards. A short time later his acceleration is 2 m/s2 downwards. Which of the following is true? A. Bronco is slowing down. B. Bronco’s acceleration is constant. C. Bronco is still speeding up as quickly as he was before. D. Bronco is still speeding up, but less quickly than before.

Why is rain likely when warm, moisture-laden air meets cold air? a) the lighter warm air will rise and cool down, causing condensation and rain. b) the cold air moves faster and pushes the warm air away, causing condensation and rain. c) the moisture in the warm air condenses on contact with the cold air, causing rain to fall. d) the cold air mixes with the warm air, reducing its temperature causing moisture to condense.