### I just need g help doing the first part of step a “Inte- grate the equation of motion, step-by-step, using the leap-frog technique (no pun intended): for the differential equations”

I just need g

help doing the first part of step a “Inte-

grate the equation of motion, step-by-step, using the leap-frog technique (no pun intended):

for the differential equations”