Question

Brian, Kelsey, and Geoff each have a remote-controlled car. They simultaneously started their cars and drove them in a straight line away from a motion sensor. The sensor recorded the distance to each car in the table below.

Distance from Sensor to Each Car
Time since starting cars
Distance to Brian’s car
Distance to Kelsey’s car
Distance to Geoff’s car
1 sec
34 cm
27 cm
27 cm
3 sec
38 cm
31 cm
33 cm
5 sec
42 cm
35 cm
39 cm
8 sec
48 cm
41 cm
48 cm

Which statement is best supported by the table?
Brian’s and Kelsey’s cars traveled at the same rate.
Kelsey’s and Geoff’s cars traveled at the same rate.
Brian’s and Geoff’s cars started the same distance from the sensor.
Kelsey’s and Geoff’s cars started the same distance from the sensor.