Some mental shortcuts can cause errors in thinking. for example, simply because a piece of information is remembered easily does not mean that the best decision is based on that information. this error in thinking

Availability heuristic

Explanation:

When making a decision based on a fact or experience that immediately comes to mind this shortcut is known as the availability heuristic. The decision making occurs as a person thinks that the first example that came into mind must be important as it was the first thing that came into mind.

The recalled memory is generally of a new experience. People tend to give more importance to new experiences rather than old ones.

Hence, the error in thinking reflects the availability heuristic.

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