The Voyager 1 spacecraft, shown below, completed its space exploration mission in 1980 and has since been traveling away from Earth at a speed of about 39,000 miles per hour.


If no unbalanced forces act on Voyager 1, then

Athe direction of its motion will reverse.

Bit will continue traveling at the same speed.

Cits speed will slowly decrease.

Dits speed will slowly increase.