What is the normal rotation speed (Vr) in KIAS?

The normal rotation speed (Vr) is an essential parameter during the takeoff phase of flight, particularly in multi-engine aircraft. Vr is the speed at which the pilot should begin to pull back on the control yoke or stick to lift the nose wheel off the ground and allow the aircraft to rotate into a climb attitude. The correct rotation speed is determined by several factors, including aircraft weight, center of gravity, and environmental conditions.

In many multi-engine aircraft, a rotation speed of 75 KIAS is typical because it balances safety and performance. This speed ensures that the aircraft has sufficient lift to become airborne while still providing adequate control during the initial climb. By rotating at this speed, pilots can avoid premature lift-off, which might result in a tail strike or insufficient climb performance.

It's important to note that the other options might represent different aircraft or configurations, which could explain lower or higher rotation speeds. However, the specified 75 KIAS represents a commonly accepted Vr for many multi-engine aircraft based on standard operating procedures.