Fill in the Blanks Velocity/Acceleration Big Online version Velocity/Acceleration Big by Wally Mason 1 increasing changes direction accelerating vectors direction speed direction decreasing velocity speed faster 1 . Velocity is the measurement of both the and the of an object 2 . Acceleration is the rate at which an object its . * * * * * Click Vectors Tab * * * * * * * * * 3 . The green and purple arrows represent . 4 . The green arrow represents the of the car . 5 . The longer the green arrow the the car is moving . 6 . The of the arrow shows where the car is headed . 7 . The length of the purple arrow indicates how quickly the car is . 8 . Two ways a car can accelerate is : Speeding up Slowing down 9 . If purple arrow points in the same direction as velocity ( speed ) arrow then speed is . 10 . If purple arrow points in opposite direction then speed is . 11 . If the arrow points in between then car is changing .