[单选题]
97.09: At a certain timed2z nijr s;gbib2.p;0mhm7q 5, an object in free fall has velocity 4.0 mustq)e bzn01g *.;e 2-voyjtz/s in the upward direction. What is the approximate velocity of the object one second laterz2 bynzjquesogv ;t*1.te -0) ?
A. 14 m/s up
B. 10 m/s up
C. 4.0 m/s up
D. 6.0 m/s down
E. 10 m/s down
