GMAT Test Prep: DS-50122455 GMAT Data Sufficiency

Is the number of seconds required to travel d₁ feet at r₁ feet per second greater than the number of seconds required to travel d₂ feet at r₂ feet per second?

(1)d₁ is 30 greater than d₂.

(2)r₁ is 30 greater than r₂.
Select one of the following answer choices