Which effect does a decreasing airspeed have on the induced drag during a horizontal and stable cruise flight?

Question

Question PPL(A) - Private Pilot License - Principle of Flight

QuizVDS · Accepted Answer

The induced drag will increase

QuizVDS · Answer

The induced drag will collapse

QuizVDS · Answer

The induced drag will remain constant

QuizVDS · Answer

The induced drag will slightly decrease

Id 41 - PPL(A) EN - Which effect does a decreasing airspeed have on the induced drag during a horizontal and stable cruise flight?