[单选题]
A ball is thrown upward at a velocqlrate-2 y5e 3ity of 19.6 m/s. Wha+t4 u:7;/3 d 5ae-:uudfdvgg+yk xnc uf7pmfxt is its velocity after 3.00 pfgun7c7u-k4 +y+;d5eg d/ xfdf3: ta u:mvxus?
A. 9.8 m/s upward
B. 9.8 m/s downward
C. zero
D. 19.6 downward
