groundspeed Definition

airspeed, altimeter, sideslip, rhumb line, beaufort scale, illuminance, kts, dihedral, microampere, yaw, crosswind, windblast, microlight, nmi, transonic, airfoils, afterburning, glide slope, vorticity, underwing, millibar, knots, turbojet, ballistic trajectory, seawards, microlite, tailplane, centreboard, orbital velocity, skeg, meridional, deg, aerofoils, aileron, nosewheel, windage, wind vane, venturi, vernier, magnetic flux, airbrake, sinusoid, airstream, rotor shaft, airflows, downwash, propellor, propeller, inertial navigation system, autorotation, impedances, cartesian coordinates, radians, isotherms, arcsecond, drogue chute, backstay, kerguelen, hydrofoils, retrorockets, ramjet engine, counterclockwise rotation, rudder, rotor, magnetic dipole, subsonic, luff, upstroke, mainsail, minima, millivolts, solent, annularity, radome, radiuses, tropopause, afterburner, gradiometer, dropsonde, roaring forties, enthalpy, tachymeter, gradient, cherenkov radiation, laminar flow, mev, poleward, kinematic viscosity, waviness, genoa, odometry, variable resistor, isobars, ramjet, sponsons, directivity, gearset, corrugation, strakes, turboshaft,