A pilot releases a package from a plane flying horizontally at a constant speed. When the package reaches the ground below, where is the plane located with respect to the package?
a) The plane will be located behind the package.
b) The location of the plane with respect to the package will depend on the initial height of the plane when the package was released.
c) The plane will be located ahead of the package.
d) The plane will be located directly above the package.