Final answer:
The question requires physics knowledge to calculate the speed of a proton near a uranium nucleus but lacks sufficient details to provide an exact answer.
Step-by-step explanation:
The question pertains to the field of physics, specifically relating to concepts of motion and forces on the atomic scale. Calculating the speed of a proton when it is at a certain distance from the uranium nucleus involves understanding of kinetic energy, potential energy, and the forces at play within an atomic nucleus. Without additional context or relevant equations, it's challenging to answer the question as key information, such as the initial conditions or the potential energy involved, is missing. Typically, such a problem would be solved using conservation of energy or considering the electrostatic force between the proton and the nucleus.