Why was Nixon so fixated on prosecuting Ellsberg?

In early 1967, Secretary of Defense Robert S. McNamara was struggling with a mounting sense of frustration over the Vietnam War. Questioning the decision-making process that had led to such deep US involvement, McNamara initiated a comprehensive analysis of post-1945 policy in the region. So began the creation of what would come to be called the "Pentagon Papers."

Explanation:

is this even a question? ? : /

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