In the first experiment of the video Cuatro extra, The experiments on the Force of Dragging of the National Science Foundation under the charge of

In the first experiment of the video" Cuatro extrañ,  The experiments on the Force of Dragging" of the National Science Foundation under the charge of Drs. Shapiro, shown that

The drag force in the air on a ball increases first as the  Air speed then decreases and then increases again. with what you know now, explain that behavior (shown in the  figure below)

(words meaning  : fuerza de arrastre  means  drag force  velocidad means  speed)

 

Fuerza De Arrastre (F) Velocidad (V) V FDA