What are two ways that convention currents in the ocean distribute the suns energy ?

The ocean distributes heat and soluble nutrients from the sun's energy to around the world. This is from the constant cyclical motion of the water (that's also found in air and other substances). As warm water rises, cold water takes its place so it can be heated. The process repeats.

carla slowed down in the beginning of her trip, stopped, and then sped up

it is called kinetic energy