Question

The thrust of an ion drive rocket engine is 10 000 times weaker than the thrust
of typical rockets. However, scientists feel ion drives will be very common
rocket propulsion in the near future. The main advantage of ion drives is that
they

Select one:
a. use far less fuel than modern rockets
b. start faster than rocket engines
c. do not pollute space like regular rockets
d. are cheaper to build than regular rockets

Answer 1

@aaronq

Answer 2

b.

Answer 3

^\(\checkmark\)

although in the q they should've said "accelerate" not "start"