# Question Video: Solving Word Problems Involving Direct Proportions Mathematics • 7th Grade

The velocity, 𝑣, of an object in m/s is directly proportional to the time, 𝑡, in seconds. This relationship can be expressed in the equation 𝑣 = 9.8𝑡. Find the value of 𝑡 when 𝑣 = 637 m/s.