So when the children see this, they say, "Ah! Acceleration," remembering back four months when they did their cars sideways, and they start measuring to find out what kind of acceleration it is.
Entonces cuando los niños ven eso, dicen. "Ah, aceleración," recordando cuatro meses antes cuando hicieron sus autos, y comienzan a medir para ver qué tipo de aceleración es.