GKFix MCQ Question

What is the change in total energy required to transfer the satellite from 2RE to 4RE orbit?

• A. ∆E = -GME m / (8RE)
• B. ∆E = GME m / (8RE)
• C. ∆E = GME m / (4RE)
• D. ∆E = -GME m / (4RE)