C Programming, Change codes for the functions in the attachments below using the instructions in the comments.

gravity_template.c is the template C program that must be used as a reference point with this assignment. Instructions for what each function does and what code you have to write are contained in the comments. You must fill out the code in each function and utilise only these vector routines in your computational code, according to what is provided in the assignment briefing. No external code may be used. Make all changes in the gravity.c Check the attachments Please read the instructions carefully before bidding I will pay $10 for this job