What structure did the Pueblo Indians of the southwest use for religious purposes

The Great Kiva of Chetro Ketl, one of the Chacoan Great Houses. A kiva is a room used by modern Puebloans for religious rituals, many of them associated with the kachina belief system. Among the modern Hopi and most other Pueblo peoples, kivas are square-walled and underground.

we can solve this via the kinematic equation:

where the vertical velocity is zero and so:

since the height of the building is 29.3 meters then:

the ball was in motion for approximately 2.45 seconds

answer; no longer than a reasonable period of time;