Explain how orbital altitude relates to orbital velocity in circular orbits.

Explain how orbital altitude relates to orbital velocity in circular orbits.

• A. Higher altitude requires higher orbital velocity.
• B. Higher altitude circular orbits require lower orbital velocity; velocity decreases as the radius increases.
• C. Velocity is independent of altitude in circular orbits.
• D. Only eccentric orbits show a velocity change with altitude.

Answer: (B)