Can someone help me answer please

Could someone me find the answer to this problem.

Aman throws a football straight into the air. as it rises, it slows down. which type of energy is the football gaining?

When a bicycle coasts uphill, it moves slower and slower as it climbs. why? a. its kinetic energy is transforming into heat energy. b. its potential energy is transforming into kinetic energy. c. its kinetic energy is transforming into potential energy and heat energy. d. its potential energy is transforming into kinetic energy and heat energy.