Supersonic Speeds

They measure an aircraft's speed in relation to density

They measure an aircraft's speed in relation to altitude

They measure an aircraft's speed in relation to the speed of sound (correct)

They measure an aircraft's speed in relation to atmospheric pressure

Mach number (correct)

Altitude ratio

Pressure ratio

Speed ratio

To ensure structural safety of the aircraft

To overcome the limiting effect of high-velocity airflow (correct)

To minimize the in-flight behavior of the aircraft

To maintain a constant speed at different altitudes

<p>All of the above</p> Signup and view all the answers

<p>It would require constant adjustments to the aircraft's speed</p> Signup and view all the answers