TY JOUR TI Relationship between increasing CME velocity at the initial stage of motion and change in magnetic conditions in the mass ejection generating area KW active region KW coronal mass ejection KW flare KW free magnetic energy KW magnetic helicity JO Solnechno-Zemnaya Fizika AU Fainshtein, V.G. AU Rudenko, G.V. AU Zagainova, Y.S. PY 2025 IS 11 PB INFRA-M Academic Publishing LLC.