Speed and Direction of VW Bug = 38 mph in north direction
Speed and Direction of Chevy Impala = 29 mph in south direction
Velocity of the VW Bug relative to Chevy Impala = ?
Since, VW Bug and Chevy Impala are driving in opposite directions, their relative speeds can be determined by taking the difference between the speeds.
Since VW Bug is faster than Chevy Impala:
Velocity of the VW Bug relative to Chevy Impala = Speed of VW Bug - Speed of Chevy Impala
⇒ Velocity of the VW Bug relative to Chevy Impala = 38 - 29
⇒ Velocity of the VW Bug relative to Chevy Impala = 9 mph