Stan, What did she say? ....."U0" is written. What did she actually say?
"You zero"? "You nought" does not seem to make sense either.
... Is this algebra?
Are there variables, u0, u1, u2, u3?,,, In maths & physics, often initial conditions are identified with a "0" [zero] appended.
The car moves from position p0 to position p1 over time t.