A car travels at constant speed along the curved path shown from above in Figure Q3.21 ....

A car travels at constant speed along the curved path shown from above in Figure Q3.21 . Five possible vectors are also shown in the figure; the letter E represents the zero vector. Which vector best represents

a. The car’s velocity at position 1?

b. The car’s acceleration at position 1?

c. The car’s velocity at position 2?

d. The car’s acceleration at position 2?

e. The car’s velocity at position 3?

f. The car’s acceleration at position 3?