A coach informs his athletes that at the beginning of the competitive season he will be testing the back squat 1RM on all athletes and he hopes to see at least a 5% improvement for each team member. Shelby is excited by this new goal and the chance to evaluate her abilities. She likely is experiencing what type of motivation

Extrinctic motivation

And achievement Based motivation.

Explanation: this is a type of motivation from the outside mostly from individuals, friends, coach, things or action. Motivation is a push to achieve something or goals. Due to the coach words and action push, Shelby is excited and what's to prove her self by making sure she acheive the goal the coach has set for them.

the first question's answer is a.

i honestly have no idea