100 PTs HELP PLS MARKING BRANLIST TAKING TEST RN John is running 4 m/s when he decides to make a final sprint to the finish line. He crosses the finish line 6 seconds later
running 8 m/s. What was his acceleration in the last 6 seconds of the race?

-1.33 m/s2

1.33 m/s2

0.67 m/s2

-0.67 m/s2