# An aircraft is flying at a height of 34000𝑚 above the ground. If the angle subtended at a groundobservation point by the aircraft positions 10𝑠 apart is 30°, then the speed of the aircraft is

Question : An aircraft is flying at a height of 34000𝑚 above the ground. If the angle subtended at a ground observation point by the aircraft positions 10𝑠 apart is 30°, then the speed of the aircraft is

(A) $19.63ms^{-1}$

(B) $1963ms^{-1}$

(C) $108ms^{-1}$

(D) $196.3ms^{-1}$