Fill in the blanks to the statement below in the next three questions: A train composed of a small engine car and a massive cargo car are connected as they move along a track. The speed of the small engine car is ____(blank 1)___ the speed of the massive cargo car. The magnitude of the acceleration of the small engine car is ____(blank 2)___ the magnitude of the acceleration of the massive cargo car because ____(blank 3)___ .