The speed of the object because it is moving
Calligraphy is an art form that combines writing with art. In islamic culture it is used everywhere, from kitchenware such as plates and vases to holy places in writings and wall art.
However, two of them, Aglaurus and Herse, curious to see what was inside, opened it and saw the infant Erichthonius wrapped around a snake. Driven in madness due to the sight, the two sisters along with the third, Pandrosus, fled and fell off the Acropolis to their deaths.