Compare and contrast motion and displacement

Write a question about how changing temperature affects the gas inside the sports ball

Will you chech and finish these for me, because i am stumped with them.

Initially, a particle is moving at 5.33 m/s at an angle of 37.9° above the horizontal. two seconds later, its velocity is 6.11 m/s at an angle of 54.2° below the horizontal. what was the particle's average acceleration during these 2.00 seconds in the x-direction (enter first) and the y-direction?