as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
generate a mathematical equation that compares the speed of two objects.
user
let v_1 be the speed of the first object and v_2 be the speed of the second object. then, the equation to compare their speeds is:  v_1 - v_2 = δv
assistant