What is the relationship between increased lift and stall speed when AOA is high?

The correct choice highlights a fundamental concept in aerodynamics regarding how lift and stall speed behave under varying conditions, specifically when the angle of attack (AOA) is high. As the angle of attack increases, the lift generated by the wings of an aircraft also increases, up to a certain point known as the critical angle of attack.

During this phase, the airflow over the wings becomes more favorable for generating lift, thereby enhancing the aerodynamic performance. However, it is essential to understand that while lift is increasing, stall speed does not decrease; rather, it typically increases. Stall speed is defined as the minimum speed at which the aircraft can maintain level flight.

When AOA is high, the relationship between the aircraft's weight and the aerodynamic forces takes on more significance. As the lift increases, the stall speed also increases because the aircraft requires a greater speed to maintain the increased amount of lift without losing it.

Therefore, the chosen answer captures that while lift increases with a high angle of attack, stall speed is influenced in a manner where it can also be perceived as increasing due to the demands of maintaining that lift, particularly past the critical angle. This understanding is vital for pilots to manage aircraft performance effectively during different flight phases.