A sailplane is operated with additional water ballast. How do best gliding angle and speed of best glide change, when compared to flying without water ballast?

Question

Question Quiz SPL - Sailplane Pilot License - Principles of Flight (Aeroplane)

QuizVDS · Accepted Answer

Best gliding angle remains unchanged, best glide speed increases.

QuizVDS · Answer

Best gliding angle descreases, best glide speed decreases.

QuizVDS · Answer

Best gliding angle remains increases, best glide speed increases.

QuizVDS · Answer

Best gliding angle remains unchanged, best glide speed decreases.

Id 645 - SPL - A sailplane is operated with additional water ballast. How do best gliding angle and speed of best glide change, when compared to flying without water ballast?