Hector went to the grocery store by heading due north at 3 m/s, then turning east and continuing at the same speed for another three blocks. Which of the following is true about Hector's velocity?
A
Hector's velocity did not change because his direction did not change.
B
Hector's velocity did not change because his speed did not change.
C
Hector's velocity changed because his direction changed.
D
Hector's velocity changed because his speed changed.
C
Hector's velocity changed because his direction changed.