What was the initial speed of the train if, after 40 s, moving with an acceleration of 0.06 m / s, it reached a speed of 3 m / s?

One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.