Forensics Science Digital Escape Room challenge by the Trendy Science Teacher in 2018 - what's the answer to Station 2? I chose C for question 1, A for question 2, C for 3, A for 4, but for the life of me I can't figure out this code. Please help.

A2-kg bowling ball is 1 meter off the ground on a post when it falls. just before it reaches the ground,its traveling 4.4 m/s. assuming that there is no air resistant, which statement is true a. the initial potential energy is less then the final kinetic energy b. the mechanical energy is not conserved c. the mechanical energy is conserved d. the initial potential energy is greater than the final kinetic energy